HIGH BRIGHTNESS 4000 ANSI LUMENS - 1080P (1920x1080) resolution - 3,000,000:1 contrast ratio - delivers exceptional image quality in various lighting conditions for conference rooms; classrooms; and home theaters ADVANCED DLP TECHNOLOGY featuring 1.15 ~ 1.5 throw ratio; 1.3x optical zoom; keystone correction 2D, (Auto) Vertical ± 40 degrees; Horizontal ± 40 degrees - ensures flexible installation and superior image clarity with professional-grade optics for any room setup